Water slide



FIG. 1 is an environmental left back perspective view of a water slide embodying my design.

FIG. 2 is a front elevational view thereof.

FIG. 3 is a right side elevational view thereof.

FIG. 4 is a left side elevational view thereof.

FIG. 5 is a rear elevational view thereof.

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom view thereof.

The broken lines showing in FIG. 7 form no part of the claimed design. 

CLAIM The ornamental design for a water slide, as shown and described. 